>     If all these is possible, on wich other devices (not the
> 18F family) can it be implemented?

This is ICSP, which is possible on all serially programmed PICs (for a
masogist even on the parallel programmed ones?), but it makes sense for
development only for the flash/eeprom PICs, which is all PICs with an
'F' in the designation, plus the old 16C84.

Make sure that your programmer can handle the load you have on the RB6,
RB7, /MCLR lines. A programmer designed for ex-circuit programming might
have trouble with this. And either your board must draw almost zero
power, or you must power your board and take some care about connecting
the 5V of board and programmer. And to be on the safe side: pull the LVP
pin low. And for some PICs: check the enter-programming-mode sequence:
Vcc-Vpp or Vpp-Vcc.

Wouter van Ooijen

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Van Ooijen Technische Informatica: www.voti.nl
consultancy, development, PICmicro products

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